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  26 <a name="boost.make_variant_over"></a><div class="titlepage"></div>
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  28 <h2><span class="refentrytitle">Class template make_variant_over</span></h2>
  29 <p>boost::make_variant_over &#8212; Exposes a <code class="computeroutput">variant</code> whose bounded types are the
  30           elements of the given type sequence.</p>
  31 </div>
  32 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
  33 <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../variant/reference.html#header.boost.variant.variant_hpp" title="Header &lt;boost/variant/variant.hpp&gt;">boost/variant/variant.hpp</a>&gt;
  34
  35 </span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Sequence<span class="special">&gt;</span>
  36 <span class="keyword">class</span> <a class="link" href="make_variant_over.html" title="Class template make_variant_over">make_variant_over</a> <span class="special">{</span>
  37 <span class="keyword">public</span><span class="special">:</span>
  38   <span class="comment">// types</span>
  39   <span class="keyword">typedef</span> <span class="identifier">variant</span><span class="special">&lt;</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <span class="special">&gt;</span> <a name="boost.make_variant_over.type"></a><span class="identifier">type</span><span class="special">;</span>
  40 <span class="special">}</span><span class="special">;</span></pre></div>
  41 <div class="refsect1">
  42 <a name="idp523860640"></a><h2>Description</h2>
  43 <p><code class="computeroutput">type</code> has behavior equivalent in every respect to
  44           <code class="computeroutput"><a class="link" href="variant.html" title="Class template variant">variant</a>&lt; Sequence[0], Sequence[1], ... &gt;</code>
  45           (where <code class="computeroutput">Sequence[<span class="emphasis"><em>i</em></span>]</code> denotes the
  46           <span class="emphasis"><em>i</em></span>-th element of <code class="computeroutput">Sequence</code>), except
  47           that no upper limit is imposed on the number of types.</p>
  48 <p><span class="bold"><strong>Notes</strong></span>:</p>
  49 <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
  50 <li class="listitem">
  51 <code class="computeroutput">Sequence</code> must meet the requirements of
  52             MPL's <span class="emphasis"><em>Sequence</em></span>
  53             concept.</li>
  54 <li class="listitem">Due to standard conformance problems in several compilers,
  55             <code class="computeroutput">make_variant_over</code> may not be supported on your
  56             compiler. See
  57             <code class="computeroutput"><a class="link" href="../BOOST_VARIANT_NO_TYPE_SEQUENCE_SUPPORT.html" title="Macro BOOST_VARIANT_NO_TYPE_SEQUENCE_SUPPORT">BOOST_VARIANT_NO_TYPE_SEQUENCE_SUPPORT</a></code>
  58             for more information.</li>
  59 </ul></div>
  60 </div>
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  64 <td align="right"><div class="copyright-footer">Copyright &#169; 2002, 2003 Eric Friedman, Itay Maman<p>Distributed under the Boost Software License, Version 1.0.
  65     (See accompanying file <code class="filename">LICENSE_1_0.txt</code> or copy at
  66     <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
  67     </p>
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